I–ii–V–I in G Major

Pattern: I – ii – V – I Chords: G – Am – D – G

Chord Breakdown

Numeral	Chord	Type	Function
I	G (details)	major	Tonic
ii	Am (details)	minor	Supertonic
V	D (details)	major	Dominant
I	G (details)	major	Tonic

Harmonic Analysis

This progression moves through G (Tonic) → Am (Supertonic) → D (Dominant) → G (Tonic).

The most straightforward jazz cadence, framing a ii–V–I within a complete tonic-to-tonic phrase. Its simplicity makes it an ideal vehicle for learning jazz improvisation and chord substitution techniques.

Song Examples

Autumn Leaves — Joseph Kosma
Blue Bossa — Kenny Dorham

Chord Details

G Am D

More Progressions in G Major

I–IV–V–I I–V–vi–IV I–vi–IV–V ii–V–I I–IV–V I–♭VII–IV vi–IV–I–V I–V–vi–iii–IV–I–IV–V I–IV I–V IV–V IV–I